Use the change of variables u = 2x - y, v = x + y to evaluate $\iint _ { R } ( 6 x - 3 y ) d A$ where R is the region bounded by 2x - y = 1, 2x - y = 3, x + y = 1, and x + y = 2.

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The Answer of Use the change of variables u = 2x - y, v = x + y to evaluate $\iint _ { R } ( 6 x - 3 y ) d A$ where R is the region bounded by 2x - y = 1, 2x - y = 3, x + y = 1, and x + y = 2.

Use the Change of Variables U = 2x - Y ∬R(6x−3y)dA\iint _ { R } ( 6 x - 3 y ) d A∬R​(6x−3y)dA

Use the Change of Variables U = 2x - Y $\iint _ { R } ( 6 x - 3 y ) d A$